.getFlexDirection() {
  display: flex;
  flex-direction: column;
}

.design-layout {
  --design-border-color: #d9d9d9; //边线颜色

  width: 100%;
  height: 100%;
  background: #ffffff;
  .getFlexDirection();
  border: 1px solid var(--design-border-color);

  .design-header {
    padding: 0.5rem;
    border-bottom: 1px solid var(--design-border-color);
  }

  .design-content {
    flex: auto;
    overflow: hidden;
  }
}
